[larry-robotics#3] Add copyright header template and set license head…

…er script

scripts/ci_test_spdx_license_header.sh

@@ -2,11 +2,12 @@
 
 cd $(git rev-parse --show-toplevel)
 
+REQUIRED_LICENSE_HEADER="SPDX-License-Identifier: Apache-2.0"
 RET_VAL=0
 
 check_license_header() {
     FILES=$(find . -type f -iwholename "${FILE_SUFFIX}" )
-    CHECK_LICENSE="${COMMENT_SYMBOL} SPDX-License-Identifier: Apache-2.0"
+    CHECK_LICENSE="${COMMENT_SYMBOL} ${REQUIRED_LICENSE_HEADER}"
 
     for FILE in $FILES
     do

scripts/copyright_header.txt

@@ -0,0 +1,11 @@
+Copyright (c) {year} Contributors to the Eclipse Foundation
+
+See the NOTICE file(s) distributed with this work for additional
+information regarding copyright ownership.
+
+This program and the accompanying materials are made available under the
+terms of the Apache Software License 2.0 which is available at
+https://www.apache.org/licenses/LICENSE-2.0, or the MIT license
+which is available at https://opensource.org/licenses/MIT.
+
+SPDX-License-Identifier: Apache-2.0 OR MIT

scripts/set_license_header.sh

@@ -2,34 +2,21 @@
 
 cd $(git rev-parse --show-toplevel)
 
-LICENSE_PREFIX="SPDX-License-Identifier:"
-LICENSE=$1
+LICENSE_TEXT=$(cat copyright_header.txt)
 
 set_license_header() {
+    LICENSE_CODE=$(echo $LICENSE_TEXT | sed "s/\(.*\)/$COMMENT_SYMBOL \1/")
     FILES=$(find . -type f -iwholename "${FILE_SUFFIX}" )
 
     for FILE in $FILES
     do
-        HAS_LICENSE_IDENTIFIER=$(cat $FILE | head -n 1 | grep -E "^${COMMENT_SYMBOL} ${LICENSE_PREFIX}" | wc -l)
-        if [[ "$HAS_LICENSE_IDENTIFIER" == "1" ]]
-        then
-            sed -i "1c ${COMMENT_SYMBOL} ${LICENSE_PREFIX} ${LICENSE}" $FILE
-        else
-            sed -i "1i ${COMMENT_SYMBOL} ${LICENSE_PREFIX} ${LICENSE}" $FILE
-        fi
-
-        HAS_NEW_LINE=$(cat $FILE | head -n 2 | tail -n 1 | grep -E "^[ ]*\$" | wc -l)
-        if [[ "$HAS_NEW_LINE" == "0" ]]
-        then
-            sed -i '2i\
-' $FILE
-        fi
+        sed -i "1c ${LICENSE_CODE}" $FILE
     done
 }
 
 set_rust() {
     FILE_SUFFIX="*.rs"
-    COMMENT_SYMBOL="//"
+    COMMENT_SYMBOL="\/\/"
     set_license_header
 }